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High voltage series (600-800V)

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Product Details

Structural Design of High Voltage Battery System


The system adopts a double-sided arrangement of liquid cooled plates for heat dissipation, The direction of coolant flow on both sides is opposite, Offset the difference in single-sided series heat dissipation.



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    Design Results

    Rated capacity

    220Ah

    Rated energy

    147kwh

    Rated voltage (V)

    669V

    Voltage range

    470-799V

    System quality capability density

    201wh/kg

    cycle life

    ≥800 second

    Maximum continuous discharge rate

    5C

    Maximum pulse discharge rate

    7C (30s)

    Shell protection level

    IP67

    Cooling method

    water-cooling


Battery system parameters



    • Outline drawing of battery system



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      Single cell battery parameters

      Nominal capacity

      55Ah

      Nominal voltage

      3. 6V

      working voltage

      2. 5V～4. 25V

      weight

      617g

      mass energy density

      320Wh/Kg

      Maximum continuous discharge rate

      5C (275A)

      Maximum pulse discharge rate

      7C (385A, 30s)

      -20℃Low temperature discharge

      ≥80%

      cycle life

      ≥800 second@80% (1C/2C)

      size

      9. 3mm×103mm×310mm

    Single cell battery parameters




      • Outline drawing of individual battery




      40℃Simulate normal landing under conditions




        • 0℃Simulate normal landing under conditions





        1C/2C cycle life 867 second




          • High and low temperature capacity maintenance (0. 33C)